藥毒所108年報

72 2019 Annual Report 表 18. 大花咸豐草藥劑防治試驗結果 Herbicide HRAC Conc. Rate (kg ai/ha) Fresh wt (g/pot) Control (%) Rate (kg ai/ha) Fresh wt (g/pot) Control(%) 4 Weeks 6 Weeks CK 0 48.04 ± 7.56 0 51.45 ± 3.40 Flazasulfuron 伏速隆 B 0.5X 0.0375 6.14 ± 4.66 87.2 0.0375 11.40 ± 10.28 77.8 1X 0.075 2.18 ± 0.61 95.5 0.075 5.05 ± 5.69 90.2 2X 0.15 6.41 ± 6.61 86.7 0.15 5.61 ± 6.53 89.1 Fluroxypyr 氟氯比 O 0.5X 0.223 2.14 ± 0.39 95.6 0.223 2.79 ± 0.82 94.6 1X 0.446 1.54 ± 0.45 96.8 0.446 2.58 ± 0.78 95.0 2X 0.892 1.44 ± 0.34 97.0 0.892 2.34 ± 1.07 95.5 Glufosinate 固殺草 H 0.5X 0.5406 0.85 ± 0.22 98.2 0.5406 1.25 ± 0.21 97.6 1X 1.0812 0.98 ± 0.39 98.0 1.0812 1.73 ± 0.46 96.6 2X 2.1624 0.72 ± 0.24 98.5 2.1624 2.20 ± 0.20 95.7 Glyphosate 嘉磷塞 G 0.5X 1.23 0.93 ± 0.31 98.1 1.23 2.24 ± 0.84 95.6 1X 2.46 1.42 ± 0.40 97.0 2.46 2.25 ± 0.67 95.6 2X 4.92 1.05 ± 0.11 97.8 4.92 2.06 ± 0.34 96.0 Metribuzin 滅必淨 C1 0.5X 0.7 1.08 ± 0.27 97.8 0.7 1.88 ± 0.31 96.4 1X 1.4 0.95 ± 0.17 98.0 1.4 1.62 ± 0.62 96.9 2X 2.8 1.14 ± 0.16 97.6 2.8 2.20 ± 0.49 95.7 X ：部分果園之登記用量。 表 19. 牛筋草藥劑防治試驗結果 Herbicide HRAC Conc. Rate (kg ai/ha) Fresh wt (g/pot) Control (%) Rate (kg ai/ha) Fresh wt (g/pot) Control (%) 4 Weeks 6 Weeks CK 0 45.39 ± 7.77 0 42.04 ± 2.53 Haloxyfop 甲基合氯氟 A 0.5X 0.053 3.02 ± 0.43 93.4 0.053 23.33 ± 21.97 44.5 1X 0.106 6.07 ± 6.12 86.6 0.106 22.90 ± 22.45 45.5 2X 2.12 10.47 ± 13.29 76.9 2.12 10.64 ± 2.18 74.7 Fluazifop 伏寄普 A 0.5X 0.0875 5.34 ± 0.87 88.2 0.0875 16.96 ± 5.46 59.7 1X 0.175 12.35 ± 18.42 72.8 0.175 17.78 ± 6.02 57.7 2X 0.35 4.27 ± 0.87 90.6 0.35 14.16 ± 6.88 66.3 Quizalofop-ethyl 快伏草 A 0.5X 0.05 14.36 ± 17.72 68.4 0.05 33.84 ± 8.37 19.5 1X 0.1 4.45 ± 1.17 90.2 0.1 18.90 ± 3.08 55.0 2X 0.2 4.30 ± 1.05 90.5 0.2 16.44 ± 6.14 60.9 Glufosinate 固殺草 H 0.5X 0.5406 2.09 ± 0.37 95.4 0.5406 3.70 ± 0.66 91.2 1X 1.0812 1.88 ± 0.32 95.9 1.0812 4.50 ± 0.43 89.3 2X 2.1624 1.91 ± 0.36 95.8 2.1624 4.43 ± 0.80 89.5